Prepare against Irena Pajer
Poland · World #124,876 classical · FIDE ID 21007616
When preparing against Irena Pajer, expect 1.e4 in 96% of White games. Against 1.e4 the reply is 1...c5 (93% of games); against 1.d4, 1...Nf6 (73%).
Our database contains 53 games by Irena Pajer, covering Feb 2019 to Aug 2026. Below you'll find Irena Pajer's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Irena Pajer before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 1,660 | 1,760 | Apr 2026 |
| Rapid | 1,602 | 1,690 | Aug 2025 |
| Blitz | 1,692 | 1,692 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 53 | 18 | 4 | 31 | 34.0% |
| As White | 25 | 10 | 1 | 14 | 40.0% |
| As Black | 28 | 8 | 3 | 17 | 28.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Irena Pajer's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Irena Pajer's side.
First moves as White (25 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 24 | 96.0% | 39.6% |
| d4 | 1 | 4.0% | 100.0% |
Main lines as White
- 1.e4 — 96% of White games, 39.6% score
- …c5 (38% of these games) — Pajer usually continues Nf3 (70.0% score)
- …e5 (29% of these games) — Pajer usually continues Nf3 (28.6% score)
- …e6 (21% of these games) — Pajer usually continues f4 (33.3% score)
- 1.d4 — 4% of White games, 100.0% score
- …Nf6 (100% of these games) — Pajer usually continues c4 (100.0% score)
As Black against 1.e4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 13 | 92.9% | 38.5% |
| c6 | 1 | 7.1% | 0.0% |
As Black against 1.d4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 8 | 72.7% | 31.3% |
| d5 | 3 | 27.3% | 50.0% |
Irena Pajer's chess games
All 53 games by Irena Pajer in the Chess.ceo database (Feb 2019 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 18 wins, 4 draws, 31 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B23 | Sicilian: Closed | 4 | 2/0/2 | 50.0% |
| C00 | French Defense | 3 | 1/0/2 | 33.3% |
| C70 | Ruy Lopez: Morphy Defense | 3 | 2/0/1 | 66.7% |
| B13 | Caro-Kann: Exchange Variation | 2 | 1/0/1 | 50.0% |
| C65 | Ruy Lopez: Berlin Defense | 2 | 0/0/2 | 0.0% |
| B34 | Sicilian: Accelerated Dragon | 2 | 2/0/0 | 100.0% |
| B06 | Modern Defense | 1 | 0/0/1 | 0.0% |
| B45 | Sicilian: Four Knights | 1 | 0/1/0 | 0.0% |
| C02 | French: Advance Variation | 1 | 0/0/1 | 0.0% |
| C72 | Ruy Lopez: Steinitz Defense Deferred | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 8 | 3/0/5 | 37.5% |
| E40 | Nimzo-Indian: Rubinstein System | 5 | 2/0/3 | 40.0% |
| E12 | Queen's Indian Defense | 2 | 0/2/0 | 0.0% |
| B22 | Sicilian: Alapin | 2 | 0/0/2 | 0.0% |
| B21 | Sicilian: Grand Prix Attack | 2 | 2/0/0 | 100.0% |
| A46 | Indian Defense | 2 | 1/0/1 | 50.0% |
| B12 | Caro-Kann: Advance Variation | 1 | 0/0/1 | 0.0% |
| D45 | Slav Defense | 1 | 0/1/0 | 0.0% |
| A17 | English Opening | 1 | 0/0/1 | 0.0% |
| D02 | London System | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2024 | Milan Safarik | 1,861 | ch-EU Amateurs U1700 | B28 |
| Jul 2026 | Inti Macek | 1,819 | 25th European Youth Rapid & Blitz Chess Championship | Blitz | G16 | E40 |
| Jul 2026 | Josephina Akiko Brunner | 1,765 | 25th European Youth Rapid & Blitz Chess Championship | Blitz | G16 | C77 |
| Jul 2026 | Maria Helena Rudiger | 1,728 | 25th European Youth Rapid & Blitz Chess Championship | Blitz | G18 | E61 |
| Jul 2026 | Patrycja Kochanowska | 1,705 | Polish Youth Rapid & Blitz Championships 2026 | Blitz | G16 | B23 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 25th European Youth Rapid & Blitz Chess Championship | Blitz | G16 | 2026 | 12 | 3.5 | 1,674 |
| Polish Youth Rapid & Blitz Championships 2026 | Blitz | G16 | 2026 | 9 | 4 | 1,694 |
| ch-POL U12 Girls | 2021 | 9 | 3.5 | 1,112 |
| Poronin Tatra Limba Open B | 2021 | 8 | 3 | 1,208 |
| ch-EU Amateurs U1700 | 2024 | 5 | 3.5 | 1,776 |
| Polish Youth Rapid & Blitz Championships 2026 | Rapid | G16 | 2026 | 3 | 0 | 1,462 |
| 25th European Youth Rapid & Blitz Chess Championship | Rapid | G16 | 2026 | 3 | 0.5 | 1,525 |
| 25th European Youth Rapid & Blitz Chess Championship | Blitz | G18 | 2026 | 2 | 1 | 1,728 |
Interactive opening tree from all 53 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Irena Pajer's chess games?
53 games by Irena Pajer, from Feb 2019 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Irena Pajer has played.
What does Irena Pajer play on the first move as White?
Across 25 games with White in our database, Irena Pajer opens with 1.e4 (96% of games), 1.d4 (4% of games). Against 1.e4 as Black, Irena Pajer answers 1...c5 (93% of games), 1...c6 (7% of games). Against 1.d4: 1...Nf6 (73% of games), 1...d5 (27% of games).
What openings does Irena Pajer play as White?
As White, Irena Pajer's most-played openings in our database are: Sicilian: Closed (4 games, 50.0% win rate); French Defense (3 games, 33.3% win rate); Ruy Lopez: Morphy Defense (3 games, 66.7% win rate). The full breakdown of 25 games with White is in the table above.
What openings does Irena Pajer play as Black?
As Black, Irena Pajer most often plays: Sicilian (8 games, 37.5% win rate); Nimzo-Indian: Rubinstein System (5 games, 40.0% win rate); Queen's Indian Defense (2 games, 0.0% win rate). See the table above for the top ten Black openings across 28 games.
What is Irena Pajer's FIDE rating?
Irena Pajer is currently rated 1,660 in classical chess, 1,602 in rapid and 1,692 in blitz. Peak classical rating: 1,760 (Apr 2026).
How many games has Irena Pajer played?
Our database contains 53 games by Irena Pajer, covering Feb 2019 to Aug 2026. Overall record: 18 wins, 4 draws, 31 losses (34.0% win rate).
How do I prepare against Irena Pajer?
53 games by Irena Pajer reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.